The Collaborative International Dictionary of English v.0.48:
Goldfinch \Gold"finch`\, n. [AS. goldfinc. See Gold, and
(a) A beautiful bright-colored European finch (Carduelis
elegans). The name refers to the large patch of yellow
on the wings. The front of the head and throat are bright
red; the nape, with part of the wings and tail, black; --
called also goldspink, goldie, fool's coat,
drawbird, draw-water, thistle finch, and sweet
(b) The yellow-hammer.
(c) A small American finch (Spinus tristis); the thistle
Note: The name is also applied to other yellow finches, esp.
to several additional American species of Spinus.